. >> reporter: as a cardinal, joseph ratzinger was known as john paul ii's enforcer of religious doctrine. he did not like answering questions. here's brian ross asking him about a sexual abuse case in 2002. >> come to me when the moment is given. but not yet. >> reporter: it is almost eight years as pope, he would sometimes play the piano. he always wore his red shoes. but his passion was preaching the gospel. he never enjoyed being an administrator and he paid a price for that. his papacy will be remembered for its scandals. those endless sexual abuse coverups that cost more thbilli. during a financial scandal, tried and failed to clean up corruption. and the vatileaks scandal. a vatican back-stabbing in intrigue. he may have been the first pope to tweet, but as the leader, he tried to hold back the forces, refusing to expand the role of women. now, though, he is accepting the reality of the modern world. and the catholic church enters new territory. can the church cope with having an ex-pope alive while a new pope tripes to create his own legacy? >> this is the tremendous question that